Ayan is a village in Erbaa District, in Tokat Province, Türkiye. Ayan lies at 348 m above sea level, in the Canik Dağları mountains. It has 146 inhabitants. The nearest city is Erbaa, 15.2 km to the west. Among the landmarks around are Comana Pontica (34 km), Kevgürk Castle (15.9 km) and Horoztepe (17.1 km).